The JavaScript Interview Handbook: 100+ Interview Questions/

...

/

Solution Review: Partial Functions

Solution Review: Partial Functions

In this lesson, we will discuss the solutions to the questions in the previous lesson.

We'll cover the following...

Question 1: Solution review #

In the previous lesson, you were given the following code:

Javascript (babel-node)
function func1(f) {
  return function(x) {
    return function(y) {
       return f(x, y);
    }
  }
}
func1(addition)(2)(3)

For the code above, you had to answer the following question:

Explanation #

The correct option is B. func1 is a curry function. Let’s understand why.

Currying converts a function taking n arguments into chains of n ...